The blowhole bursts spectacularly right next to the buildings in a medieval seaside town.

This fountain was designed to honor the man who helped bring water to Barcelona.

On the wall of this medieval walkway, a symbol of the Spanish Inquisition.

The unexpectedly beloved remnants of a controversial thermal power plant.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

An early 20th-century bullring converted into a modern shopping center.

For one day every month Barcelona's Estació de França transforms into a market for model trains.

Barcelona's only remaining tram system takes riders to the Tibidabo funicular.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

A once grand hotel now sits eerily abandoned in the Catalan countryside outside Barcelona.

Week-long block party becomes a competition for the best decorated street.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Mountain where Jesus was first tempted by the Devil.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

This cemetery features modernist statues as strange as its name.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This semi-secret storybook hedge maze is also the oldest garden in the city.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Replica of Seville, Spains famous Giralda, a former minaret converted into a bell tower.